Revert "Move pihole to NFS"

This reverts commit 4c685fdbc5.
Pihole uses SQLite as a database which shouldn't be put on a NAS like with all
databases.

pihole/docker-compose.yml

@@ -11,23 +11,11 @@ services:
       - DNS1
       - DNS2
     volumes:
-       - etc_pihole:/etc/pihole/
-       - etc_dnsmasq:/etc/dnsmasq.d/
+       - ./etc-pihole:/etc/pihole/
+       - ./etc-dnsmasq.d:/etc/dnsmasq.d/
     dns:
       - "${DNS3}"
       - "${DNS1}"
     cap_add:
       - NET_ADMIN
     restart: unless-stopped
-
-volumes:
-  etc_pihole:
-    driver_opts:
-      type: "nfs"
-      o: "addr=10.7.89.108,nolock,hard,rw,vers=4.1"
-      device: ":/server_data/pihole/etc-pihole"
-  etc_dnsmasq:
-    driver_opts:
-      type: "nfs"
-      o: "addr=10.7.89.108,nolock,hard,rw,vers=4.1"
-      device: ":/server_data/pihole/etc-dnsmasq"